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Marquise|Lab Grown|IGI

1.23ct E VS1 Marquise Lab Grown Diamond

GD • E/VS1 • IGI LG697512705

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG697512705

Diamond specifications and retailer prices

From €260 EUR
$290 USD
As of October 30, 2026
Save €1,036 EUR (80%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: €1,296 EUR at MOH London · As of October 29, 2026
View at MOH London

About this 1.23ct lab-grown marquise diamond

This 1.23ct lab-grown marquise sits in the classic one-carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a standard cut grade and certified by IGI LG697512705 or 697512705. Listed at 18 retailers as of October 29, 2026, with prices from €260 to €1,296, a €1,036 spread on the same certified stone. MOH London lists it at €1,296. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.23
Carat
E
Colour
VS1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.9°
Pavilion angle39.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG697512705
Dimensions11.23 × 5.55 × 3.39 mm
L/W Ratio2.02
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.23 mm5.55 mm1.23 ctE / VS1
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG697512705
Side View
Table 56.0%Crown 33.9°Girdle: MED-STKPavilion 39.5°Culet: NoneDepth 61.1%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: €1,296 EUR|Low: €249 EUR|High: €1,305 EUR|Avg: €626 EUR|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
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Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
November 2, 2026
Retailer 16€260 EUR
Retailer 18€289 EUR
Retailer 5€301 EUR
Retailer 6€321 EUR
Retailer 17€321 EUR
Retailer 11€403 EUR
Retailer 9€431 EUR
Retailer 13€461 EUR
Retailer 4€529 EUR
Retailer 2€555 EUR
Retailer 7€611 EUR
Retailer 14€613 EUR
Retailer 12€785 EUR
Retailer 10€862 EUR
Retailer 15€988 EUR
Retailer 3€1,034 EUR
Retailer 8€1,255 EUR
MOH London€1,296 EUR

40 data points across 18 retailers

18 retailers€260 EUR to €1,296 EUR

A
Cheapest Retailer
-
€260 EUR
$290 USD
A
Retailer 2
-
€289 EUR
$323 USD
View
Final sale: no returns
A
Retailer 3
-
€301 EUR
$336 USD
View
Retailer 4
-
€321 EUR
$359 USD
View
Price last confirmed 7 days ago
B+
Retailer 5
-
€321 EUR
$359 USD
View
A
Retailer 6
-
€403 EUR
£354 GBP
View
B+
Retailer 7
-
€431 EUR
$481 USD
View
B+
Retailer 8
-
€461 EUR
$515 USD
View
B+
Retailer 9
-
€529 EUR
$591 USD
View
B+
Retailer 10
-
€555 EUR
ZAR 10,011 ZAR
View
B
Retailer 11
-
€611 EUR
$683 USD
View
B
Retailer 12
-
€613 EUR
$685 USD
View
B
Retailer 13
-
€785 EUR
A$1,349 AUD
View
B
Retailer 14
-
€988 EUR
$1,104 USD
View
B
Retailer 15
-
€1,034 EUR
$1,155 USD
View
B
Retailer 16
-
€1,049 EUR
$1,172 USD
View
C
Retailer 17
-
€1,255 EUR
£1,104 GBP
View
Most Expensive
B
MOH London
LG697512705 · Oct 29
€1,296 EUR
£1,140 GBP
View
17 more retailers have this diamond
Prices start from €260 EURSave up to €1,036 EUR

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.23ct Marquise
€260 EUR